$ cd /etc/yum.repos.d/
$ ls
$ mkdir old
$ mv *.repo old$ dnf install virt-viewer
# CentOS < 6
$ dnf install ovirt-guest-agent
$ dnf install qemu-guest-agent
$ systemctl enable qemu-guest-agent --now$ free -m
$ grep process /proc/cpuinfo$ cd Downloads
$ ls -lh
$ qemu-img info my-vm_Disk1_backup.raw
$ qemu-img convert -p -c -O qcow2 my-vm_Disk1_backup.raw backup.qcow2